The BCU (boost controller unit) is the first electronic boost controllerto feature multiple stages of boost, a built in turbo timer, boost gauge, voltmeter, and two 12 Volt outputs. Our company uses the latest technology to give the user multiple ways of controlling and monitoring boost levels. With High and Low stages of boost and adjustable gain, you can tune the boost to switch depending on track or road conditions. The BCU also incorporates an Automatic and Manual Turbo Timer to let your engine cool down after a run. By using the electrical Outputs, you can use the BCU+ to control any 12V DC source, like a nitrous kit and/or intercooler spray. You'll also know exactly what's going on with your engine by using the Last Boost and Voltmeter settings on the easy to read LCD screen!